public void TestQueueDeclareOk()
{
Model.ConfirmSelect();
QueueDeclareOk result;
result = QueueDeclare();
Assert.AreEqual(0, result.MessageCount);
Assert.AreEqual(0, result.ConsumerCount);
Assert.AreEqual(QueueName, result.QueueName);
Model.BasicPublish("", result.QueueName, null, new byte[] { });
Model.WaitForConfirms();
result = QueueDeclare();
Assert.AreEqual(1, result.MessageCount);
Assert.AreEqual(0, result.ConsumerCount);
Assert.AreEqual(QueueName, result.QueueName);
QueueingBasicConsumer consumer = new QueueingBasicConsumer(Model);
Model.BasicConsume(QueueName, true, consumer);
consumer.Queue.Dequeue();
result = QueueDeclare();
Assert.AreEqual(0, result.MessageCount);
Assert.AreEqual(1, result.ConsumerCount);
Assert.AreEqual(QueueName, result.QueueName);
}
private void ConsumeInTheBackGround()
{
Task.Factory.StartNew(() => {
var connectionFactory = new ConnectionFactory
{
HostName = "rabbitmq.cloudvirga.local",
Port = Protocols.DefaultProtocol.DefaultPort,
UserName = "******",
Password = "******"
};
var connection = connectionFactory.CreateConnection();
var model = connection.CreateModel();
var consumer = new QueueingBasicConsumer(model);
model.BasicConsume("Ayman.Queue", false, consumer);
while (true)
{
var deliveryArgs = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
var message = Encoding.Default.GetString(deliveryArgs.Body);
Invoke(new MethodInvoker(() =>
{
listBox1.Items.Insert(0, message);
}
));
model.BasicAck(deliveryArgs.DeliveryTag, false);
}
});
}
static void Main(string[] args)
{
Console.Title = "Consumer1";
Console.WindowHeight = 7;
Console.WindowWidth = 50;
string exchange = "eip.selcons.pub";
string queue = "eip.selcons.queue01";
var factory = new ConnectionFactory()
{
Uri = "amqp://*****:*****@localhost:5672/"
};
using (var conn = factory.CreateConnection())
using (IModel channel = conn.CreateModel())
{
channel.ExchangeDeclare(exchange, ExchangeType.Direct, true);
channel.QueueDeclare(queue, true, false, false, null);
channel.QueueBind(queue, exchange, "consumer1");
QueueingBasicConsumer consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(queue, true, consumer);
while (true)
{
var ea = consumer.Queue.Dequeue();
var body = ea.Body;
var message = Encoding.UTF8.GetString(body);
Console.WriteLine(message);
}
}
}
/// <summary>
/// 消费消息
/// </summary>
/// <param name="connection">消息队列连接对象</param>
/// <param name="queueName">队列名称</param>
/// <param name="durable">是否持久化</param>
/// <param name="dealMessage">消息处理函数</param>
/// <param name="saveLog">保存日志方法，可选</param>
public static void ConsumeMsg(IConnection connection, string queueName, bool durable, Func <string, ConsumeAction> dealMessage, Action <string, Exception> saveLog = null)
{
try
{
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queueName, durable, false, false, null); //获取队列
channel.BasicQos(0, 1, false); //分发机制为触发式
var consumer = new QueueingBasicConsumer(channel); //建立消费者
// 从左到右参数意思分别是：队列名称、是否读取消息后直接删除消息，消费者
channel.BasicConsume(queueName, false, consumer);
while (true) //如果队列中有消息
{
ConsumeAction consumeResult = ConsumeAction.RETRY;
var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue(); //获取消息
string message = null;
try
{
var body = ea.Body;
message = Encoding.UTF8.GetString(body);
consumeResult = dealMessage(message);
}
catch (Exception ex)
{
if (saveLog != null)
{
saveLog(message, ex);
}
}
if (consumeResult == ConsumeAction.ACCEPT)
{
channel.BasicAck(ea.DeliveryTag, false); //消息从队列中删除
}
else if (consumeResult == ConsumeAction.RETRY)
{
channel.BasicNack(ea.DeliveryTag, false, true); //消息重回队列
}
else
{
channel.BasicNack(ea.DeliveryTag, false, false); //消息直接丢弃
}
}
}
}
catch (Exception ex)
{
if (saveLog != null)
{
saveLog("QueueName:" + queueName, ex);
}
throw ex;
}
finally
{
ResetMQConnectionToFree(connection);
}
}
public Listener(string exchangeName, string hostName, int portNumber, string queueName)
: base(exchangeName, hostName, portNumber)
{
channel.QueueDeclare(queueName);
consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(queueName, null, consumer);
this.queueName = queueName;
}
public QueueingBasicConsumer ReceiveMessage(string queueName = "")
{
//EventingBasicConsumer
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(queueName, true, consumer);
return(consumer);
}
private void HandleConsumerCancelled(object sender, ConsumerEventArgs e)
{
lock (m_eventLock)
{
m_consumer = null;
MutateLatestEvent(null);
}
}
private static BasicDeliverEventArgs DequeueMessage(QueueingBasicConsumer consumer)
{
const int timeoutMilseconds = 400;
object result;
consumer.Queue.Dequeue(timeoutMilseconds, out result);
return(result as BasicDeliverEventArgs);
}
public Listener(string exchangeName, string queueName, IConnection conn)
: base(exchangeName, conn)
{
channel.QueueDeclare(queueName);
consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(queueName, null, consumer);
this.queueName = queueName;
}
//public string m_terminal_id;
public void DoWork()
{
IModel channel = m_connection.CreateModel();
//string rpc_queue = "rpc_queue_" + m_routingkey_root; // terminal_id
string rpc_queue = "rpc_queue";
channel.QueueDeclare(rpc_queue, false, false, false, null);
channel.BasicQos(0, 1, false);
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(rpc_queue, false, consumer);
MessageBox.Show(" [x] Awaiting RPC requests on '" + rpc_queue + "'");
_shouldStop = false;
while (!_shouldStop)
{
MessageBox.Show("worker thread: working...");
/*
* MessageBox.Show("wait message");
*
* string response = null;
* var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
*
* var body = ea.Body;
* var props = ea.BasicProperties;
* var replyProps = channel.CreateBasicProperties();
* replyProps.CorrelationId = props.CorrelationId;
*
* try
* {
* var message = Encoding.UTF8.GetString(body);
* MessageBox.Show(message);
* //m_message = message.ToString();
* //int n = int.Parse(message);
* //Console.WriteLine(" [.] fib({0})", message);
* //response = fib(n).ToString();
* }
* catch (Exception e)
* {
* MessageBox.Show(" [.] Exception");
* //MessageBox.Show(" [.] " + e.Message);
* response = "";
* }
* finally
* {
* MessageBox.Show("finally");
* //var responseBytes = Encoding.UTF8.GetBytes(response);
* //channel.BasicPublish("", props.ReplyTo, replyProps, responseBytes);
* //channel.BasicAck(ea.DeliveryTag, false);
* }
*/
}
MessageBox.Show("worker thread: terminating gracefully.");
}
static void Main(string[] args)
{
var factory = new ConnectionFactory()
{
HostName = "localhost", UserName = "******", Password = "******"
};
using (var connection = factory.CreateConnection())
{
using (var channel = connection.CreateModel())
{
channel.ExchangeDeclare("MY_EXCHANGE_NAME", "topic", true);
var queueName = channel.QueueDeclare("TV Queue", true, false, false, null);
if (args.Length < 1)
{
Console.Error.WriteLine("Usage: {0} [binding_key...]",
Environment.GetCommandLineArgs()[0]);
Environment.ExitCode = 1;
return;
}
foreach (var bindingKey in args)
{
channel.QueueBind(queueName, "MY_EXCHANGE_NAME", bindingKey);
}
Console.WriteLine(" [*] Waiting for messages. " +
"To exit press CTRL+C");
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(queueName, true, consumer);
while (true)
{
var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
var routingKey = ea.RoutingKey;
var body = ea.Body;
MemoryStream stream = new MemoryStream(body, false);
stream.Position = 0;
var message = Serializer.Deserialize <Listing>(stream);
Console.WriteLine(" [x] Received '{0}':'{1}'",
routingKey, message.ToString());
Console.WriteLine("Program Name: {0}", message.ProgramName);
Console.WriteLine("Episode Name: {0}", message.EpisodeName);
Console.WriteLine("Episode Number: {0}", message.EpisodeNumber);
Console.WriteLine("Is Live: {0}", message.IsLive);
}
}
}
}
public IActionResult Chat(ChatModel model)
{
var outModel = new ChatModel();
// Check if we have the ChatEntries queue initialized
var chatEntriesQueue = HttpContext.Session.Get <Queue <ChatEntry> >("ChatEntriesQueue");
if (chatEntriesQueue == null)
{
// Initialize the queue
chatEntriesQueue = new Queue <ChatEntry>();
}
if (ModelState.IsValid)
{
// Add the entry to the queue
var newChat = new ChatEntry {
DatePosted = DateTime.UtcNow, Text = model.ChatText, WhoPosted = User.Identity.Name
};
_model.BasicPublish(ExchangeName, "chat", null, newChat.Serialize());
}
// Connect to our rabbit queue and retrieve messages
_model.BasicQos(prefetchSize: 0, prefetchCount: 10, global: false);
var queueName = $"Chat_{User.Identity.Name}_Queue";
var _consumer = new QueueingBasicConsumer(_model);
_model.BasicConsume(queue: queueName, autoAck: false, _consumer);
while (true)
{
if (!_consumer.Queue.Dequeue(millisecondsTimeout: 100, out var result))
{
break;
}
var message = (ChatEntry)result.Body.DeSerialize(typeof(ChatEntry));
// Check for stock commands
if (!message.Text.StartsWith("/stock=", StringComparison.InvariantCultureIgnoreCase))
{
chatEntriesQueue.Enqueue(new ChatEntry {
DatePosted = message.DatePosted, Text = message.Text, WhoPosted = message.WhoPosted
});
}
// Acknowledge
_model.BasicAck(result.DeliveryTag, false);
}
// Take the last 50 entries of the local queue
outModel.ChatEntries = chatEntriesQueue.TakeLast(50).ToList();
// Remove old ones
while (chatEntriesQueue.Count > 50)
{
chatEntriesQueue.Dequeue();
}
// Add the local queue back to the session
HttpContext.Session.Set <Queue <ChatEntry> >("ChatEntriesQueue", chatEntriesQueue);
return(View(outModel));
}
public static void Main()
{
var factory = new ConnectionFactory()
{
HostName = "localhost"
};
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "rpc_queue",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
channel.BasicQos(0, 1, false);
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(queue: "rpc_queue",
noAck: false,
consumer: consumer);
Console.WriteLine(" [x] Awaiting RPC requests");
while (true)
{
string response = null;
var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
var body = ea.Body;
var props = ea.BasicProperties;
var replyProps = channel.CreateBasicProperties();
replyProps.CorrelationId = props.CorrelationId;
try
{
var message = Encoding.UTF8.GetString(body);
int n = int.Parse(message);
Console.WriteLine(" [.] fib({0})", message);
response = fib(n).ToString();
}
catch (Exception e)
{
Console.WriteLine(" [.] " + e.Message);
response = "";
}
finally
{
var responseBytes = Encoding.UTF8.GetBytes(response);
channel.BasicPublish(exchange: "",
routingKey: props.ReplyTo,
basicProperties: replyProps,
body: responseBytes);
channel.BasicAck(deliveryTag: ea.DeliveryTag,
multiple: false);
}
}
}
}
public ReceiverWaitingSubscription(IModel model, string queueName)
{
mModel = model;
mQueueName = queueName;
mConsumer = new QueueingBasicConsumer(model);
model.BasicConsume(queueName, false, mConsumer);
mSubscription = new Subscription(mModel, mQueueName);
}
public Consumer(string queueName, IConnection connection, Func <byte[], Option <T> > dataConverter)
{
this.dataConverter = dataConverter;
model = connection.CreateModel();
model.BasicQos(0, (ushort)Environment.ProcessorCount, false);
consumer = new QueueingBasicConsumer(model);
model.BasicConsume(queueName, false, consumer);
}
public static void ConsumeMessagesStart(string agentId)
{
consumer = new QueueingBasicConsumer(channel);
// turn auto acknowledge off so we can do it manually. This is so we don't remove items from the queue until we're perfectly happy
const bool autoAck = false;
channel.BasicConsume(ConnectionConstants.AgentQueueName + "-" + agentId, autoAck, consumer);
}
///<summary>Creates a new Subscription, with full control over
///both "noAck" mode, the name of the queue, and the consumer tag.</summary>
public Subscription(IModel model, string queueName, bool noAck, string consumerTag)
{
Model = model;
QueueName = queueName;
NoAck = noAck;
m_consumer = new QueueingBasicConsumer(Model);
ConsumerTag = Model.BasicConsume(QueueName, NoAck, consumerTag, m_consumer);
LatestEvent = null;
}
protected void Start(AMQPAdapter amqpAdapter, bool catchAllExceptions)
{
base.Start(amqpAdapter);
try {
var connection = (IConnection)amqpAdapter.GetConnection();
using (var channel = connection.CreateModel()) {
if (createQueue)
{
channel.QueueDeclare(queueName, true, false, false, queueArgs);
}
channel.BasicQos(0, prefetchCount, false);
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(queueName, noAck, consumer);
while (!stopConsuming)
{
try {
BasicDeliverEventArgs basicDeliverEventArgs;
var messageIsAvailable = consumer.Queue.Dequeue(timeout, out basicDeliverEventArgs);
if (!messageIsAvailable)
{
continue;
}
var payload = basicDeliverEventArgs.Body;
var message = Encoding.UTF8.GetString(payload);
OnMessageReceived(new MessageReceivedEventArgs {
Message = message,
EventArgs = basicDeliverEventArgs
});
if (implicitAck && !noAck)
{
channel.BasicAck(basicDeliverEventArgs.DeliveryTag, false);
}
}
catch (Exception exception) {
OnMessageReceived(new MessageReceivedEventArgs {
Exception = new AMQPConsumerProcessingException(exception)
});
if (!catchAllExceptions)
{
Stop();
}
}
}
}
}
catch (Exception exception) {
OnMessageReceived(new MessageReceivedEventArgs {
Exception = new AMQPConsumerInitialisationException(exception)
});
}
}
private IEsbMessageResult DoSendQuery(IEsbMessage query)
{
_channel.QueueDeclare(queue: query.QueueName,
durable: true,
exclusive: false,
autoDelete: false,
arguments: null);
_channel.BasicQos(prefetchSize: 0, prefetchCount: 1, global: false);
var body = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(query.MessageBody));
var properties = _channel.CreateBasicProperties();
properties.Persistent = true;
properties.ReplyTo = Guid.NewGuid().ToString("N");
properties.CorrelationId = Guid.NewGuid().ToString("N");
_channel.BasicPublish(
exchange: "",
routingKey: query.QueueName,
basicProperties: properties,
body: body);
_channel.QueueDeclare(properties.ReplyTo, false, true, true, null);
var consumer = new QueueingBasicConsumer(_channel);
try
{
_channel.BasicConsume(
queue: properties.ReplyTo,
noAck: true,
consumer: consumer);
var startReceiveTime = DateTime.Now;
while (true)
{
BasicDeliverEventArgs res;
var answerReciwed = consumer.Queue.Dequeue(100, out res);
if (answerReciwed && res.BasicProperties.CorrelationId == properties.CorrelationId)
{
var answer = Encoding.UTF8.GetString(res.Body);
return(new EsbMessageResult(answer));
}
if (DateTime.Now - startReceiveTime > query.ReceiveTimeout)
{
throw new EsbMessageReceiveTimeoutException();
}
}
}
finally
{
_channel.QueueDelete(properties.ReplyTo);
consumer.Queue.Close();
}
}
private static void Recv()
{
// 获取到连接以及mq通道
ConnectionFactory factory = new ConnectionFactory();
factory.Port = 5672; //服务器端口号：默认端口号为：5672
factory.Endpoint = new AmqpTcpEndpoint(new Uri("amqp://172.21.26.120/")); //服务器IP：172.21.26.120;
factory.UserName = "******"; //服务器登录账号
factory.Password = "******"; //服务器密码账号
factory.VirtualHost = "testhost"; //
//factory.RequestedHeartbeat = heartbeat;
using (IConnection conn = factory.CreateConnection())
{
using (IModel channel = conn.CreateModel())
{
string Queue_Name = "q_test_01";
//声明消息队列
channel.QueueDeclare(Queue_Name, false, false, false, null);
// 同一时刻服务器只会发一条消息给消费者
channel.BasicQos(0, 1, false); //BasicQos(1);
// 定义队列的消费者
var consumer = new QueueingBasicConsumer(channel);
//监听队列，false表示手动返回完成状态，true表示自动
channel.BasicConsume(Queue_Name, false, consumer);
#region 获取消息
while (true)
{
ulong deliveryTag = 0;
try
{
Thread.Sleep(1000);//暂停1秒，防止CPU爆满的问题
//获取信息
var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
deliveryTag = ea.DeliveryTag;
byte[] bytes = ea.Body;
string str = Encoding.UTF8.GetString(bytes);
logger.Info($"获取到服务器队列{Queue_Name}的信息:{str}");
//回复确认处理成功
channel.BasicAck(deliveryTag, false);
//发生错误了，但是还可以重新提交给队列重新分配
//channel.BasicNack(deliveryTag, false, true);
//发生严重错误，无法继续进行，这种情况应该写日志或者是发送消息通知管理员
//channel.BasicNack(deliveryTag, false, false);
}
catch (Exception ex)
{
//channel.BasicNack(deliveryTag, false, false);
//logger.Info($"获取到服务器队列{Queue_Name}的信息失败:{ex.Message}");
}
}
#endregion
}
}
}
public DefaultBasicConsumer CreateConsumer(IModel model, MessageCallback callback)
{
var consumer = new QueueingBasicConsumer(model, sharedQueue);
var consumerTag = Guid.NewGuid().ToString();
consumer.ConsumerTag = consumerTag;
subscriptions.Add(consumerTag, new SubscriptionInfo(consumer, callback));
return(consumer);
}
///<summary>Creates a new Subscription, with full control over
///both "noAck" mode, the name of the queue, and the consumer tag.</summary>
public Subscription(IModel model, string queueName, bool noAck, string consumerTag)
{
m_model = model;
m_queueName = queueName;
m_noAck = noAck;
m_consumer = new QueueingBasicConsumer(m_model);
m_consumerTag = m_model.BasicConsume(m_queueName, m_noAck, consumerTag, m_consumer);
m_latestEvent = null;
}
private static string DeclareAndBindQueueToExchange(IModel channel)
{
channel.ExchangeDeclare(ExchangeName, "fanout");
var queueName = channel.QueueDeclare().QueueName;
channel.QueueBind(queueName, ExchangeName, "");
_consumer = new QueueingBasicConsumer(channel);
return(queueName);
}
/// <summary>
/// 订阅模式接收消息
/// </summary>
/// <param name="handler">接收到消息后的处理</param>
public override void ReceivingMessagesPassive(MessageHandler handler)
{
var cf = new ConnectionFactory
{
Uri = ServerAddress,
UserName = UserName,
Password = Password,
VirtualHost = VirtualHost,
RequestedHeartbeat = 0
};
using (var conn = cf.CreateConnection())
{
using (var ch = conn.CreateModel())
{
var consumer = new QueueingBasicConsumer(ch);
var i = 1;
//noAck = true，不需要回复，接收到消息后，queue上的消息就会清除
//noAck = false，需要回复，接收到消息后，queue上的消息不会被清除，
//直到调用channel.basicAck(deliveryTag, false);
//queue上的消息才会被清除 而且，在当前连接断开以前，其它客户端将不能收到此queue上的消息
ch.BasicConsume(Queue, false /*noAck*/, consumer);
while (true)
{
try
{
var res = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
if (res.Body.Length != 0)
{
Console.Write(i++ + " ");
if (handler != null)
{
handler(Deserialize(res.Body));
}
ch.BasicAck(res.DeliveryTag, false);
}
else
{
ch.BasicAck(res.DeliveryTag, false);
continue;
}
Console.WriteLine();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
throw;
}
}
}
}
}
static void Receive()
{
var factory = new ConnectionFactory()
{
HostName = "localhost"
};
using (var connection = factory.CreateConnection())
{
using (var channel = connection.CreateModel())
{
//定义队列（hello为队列名）
channel.QueueDeclare(queueName, true, false, false, null);
ushort prefetechCount = 1;
channel.BasicQos(0, prefetechCount, false);
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(queueName, true, consumer);
Console.WriteLine(" [*] Waiting for messages." +
"To exit press CTRL+C");
var sw = new Stopwatch();
sw.Start();
while (true)
{
//接受客户端发送的消息并打印出来
//var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
BasicDeliverEventArgs ea = null;
consumer.Queue.Dequeue(2000, out ea);
if (ea == null)
{
sw.Stop();
TimeSpan ts = sw.Elapsed;
string elapsedTime = String.Format("{0:00}:时 {1:00}:分 {2:00}:秒：{3:00}:毫秒",
ts.Hours, ts.Minutes, ts.Seconds,
ts.Milliseconds / 10);
Console.WriteLine(" [x] Consumer Complete.Total Time:{0}", elapsedTime);
Console.ReadLine();
}
var body = ea.Body;
var message = Encoding.UTF8.GetString(body);
//Console.WriteLine(" [x] Received {0}", message);
//Thread.Sleep(5000);
}
}
}
}
static void Main(string[] args)
{
IConnection conn = null;
IModel channel = null;
string exchangeName = "exchange.oa";
string queueName = "queue.oa.contactlist.apply";
string routingKey = "generateno";
try
{
ConnectionFactory connFactory = new ConnectionFactory()
{
HostName = "10.7.249.21", VirtualHost = "/", UserName = "******", Password = "******"
};
conn = connFactory.CreateConnection();
channel = conn.CreateModel();
channel.ExchangeDeclare(exchangeName, ExchangeType.Direct, true, false, null);
channel.QueueDeclare(queueName, true, false, false, null);
channel.QueueBind(queueName, exchangeName, routingKey);
channel.BasicQos(0, 1, false);//在一个工作者还在处理消息，并且没有响应消息之前，不要给他分发新的消息。相反，将这条新的消息发送给下一个不那么忙碌的工作者。
var consumer = new QueueingBasicConsumer(channel);
//将消费者与信道,队列相关联
channel.BasicConsume(queue: queueName,
noAck: false,//true:开启消息自动确认功能,false:关闭消息自动确认功能==>消息确认后会自动将消息从队列中删除
consumer: consumer);
while (true)
{
try
{
var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
var body = ea.Body;
var messageContent = Encoding.UTF8.GetString(body);
channel.BasicAck(ea.DeliveryTag, false);
Console.WriteLine(messageContent);
}
catch (Exception innerex)
{
continue;
}
}
}
catch (Exception ex)
{
}
finally
{
if (channel != null && channel.IsOpen)
{
channel.Close();
}
if (conn != null && conn.IsOpen)
{
conn.Close();
}
}
}
private void Run(string[] args)
{
// This application must monitor multiple queues and figure out
// how to move the production work item forward based on which
// queue sends a response.
//
// Here are the queues it needs to montior:
// - The incoming request queue for newly submitted jobs
// - The Worker1 response queue
// - The Worker2 response queue
QueueingBasicConsumer consumer = ConnectToMQ();
LoadUncompletedJobs();
while (true)
{
m_log.Info("Waiting for queue message...");
BasicDeliverEventArgs ea;
try
{
if (consumer.Queue.Dequeue((int)TimeSpan.FromMilliseconds(500d).TotalMilliseconds, out ea))
{
// Process the message
//
// NOTE: It is the responsibility of these functions
// to send reply-to messages
switch (ea.RoutingKey)
{
case RabbitMQConfig.MCP_REQUEST_QUEUE_NAME:
ProcessMCPRequestQueueMessage(m_channel, ea);
break;
case RabbitMQConfig.WORKER1_RESPONSE_QUEUE_NAME:
ProcessWorker1ResponseQueueMessage(m_channel, ea);
break;
case RabbitMQConfig.WORKER2_RESPONSE_QUEUE_NAME:
ProcessWorker2ResponseQueueMessage(m_channel, ea);
break;
}
}
CleanupOldJobs();
LogStatus();
}
catch (EndOfStreamException eosEx)
{
m_log.Warn("Connection to the queue was lost.");
consumer = ConnectToMQ();
}
}
}
void RecvThread()
{
try
{
conn.Open();
}
catch (MySqlException ex)
{
}
var factory = new ConnectionFactory();
factory.HostName = "localhost";
factory.UserName = "******";
factory.Password = "******";
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
// When reading from a persistent queue, you need to tell that to your consumer
const bool durable = true;
channel.QueueDeclare(QueueName, durable, false, false, null);
var consumer = new QueueingBasicConsumer(channel);
// turn auto acknowledge off so we can do it manually. This is so we don't remove items from the queue until we're perfectly happy
const bool autoAck = false;
channel.BasicConsume(QueueName, autoAck, consumer);
string query2;
while (true)
{
var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
byte[] body = ea.Body;
string message = System.Text.Encoding.UTF8.GetString(body);
System.Console.WriteLine(" [x] Processing {0}", message);
// Acknowledge message received and processed
System.Console.WriteLine(" Processed ", message);
channel.BasicAck(ea.DeliveryTag, false);
msg1 = message;
/*
* if (message.Length > 10)
* {
* query2 = message;
* MySqlCommand cmdSpkSel4 = conn.CreateCommand();
* cmdSpkSel4.CommandText = query2;
* cmdSpkSel4.ExecuteNonQuery();
* }
* */
}
conn.Close();
}
}
private void fun()
{
var factory = new ConnectionFactory();
factory.HostName = "localhost";
factory.UserName = "******";
factory.Password = "******";
ProjectInfo buildProjectInfo = new ProjectInfo();
while (true)
{
using (var connection = factory.CreateConnection())
{
using (var channel = connection.CreateModel())
{
channel.QueueDeclare("CIQueues_newframework", false, false, false, null);
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume("CIQueues_newframework", false, consumer);
var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
var body = ea.Body;
var message = Encoding.UTF8.GetString(body);
string[] messageSplit = message.Split(';');
string projectName = messageSplit[0].Split(':')[1];
string projectCommitVersion = messageSplit[1].Split(':')[1];
string projectSubmitter = messageSplit[2].Split(':')[1];
string projectPushBranch = messageSplit[3].Split(':')[1].Split('/')[2];
//对项目进行编译
buildProjectInfo = HandleProject(projectName, projectCommitVersion, projectPushBranch, projectSubmitter);
channel.BasicAck(ea.DeliveryTag, false);
}
}
//对象转化为json格式的数据
DataContractJsonSerializer serializer = new DataContractJsonSerializer(buildProjectInfo.GetType());
MemoryStream stream = new MemoryStream();
serializer.WriteObject(stream, buildProjectInfo);
byte[] dataBytes = new byte[stream.Length];
stream.Position = 0;
stream.Read(dataBytes, 0, (int)stream.Length);
var factory_push = new ConnectionFactory();
factory_push.HostName = "localhost";
factory_push.UserName = "******";
factory_push.Password = "******";
using (var connection = factory_push.CreateConnection())
{
using (var channel = connection.CreateModel())
{
channel.QueueDeclare("BuildResultInfo", false, false, false, null);
var body = Encoding.UTF8.GetBytes(Encoding.UTF8.GetString(dataBytes));
channel.BasicPublish("", "BuildResultInfo", null, body);
}
}
}
}
public static void CreateQueue()
{
_factory = new ConnectionFactory {
HostName = "localhost", UserName = "******", Password = "******"
};
_connection = _factory.CreateConnection();
_model = _connection.CreateModel();
_model.QueueDeclare(QueueName, true, false, false, null);
_consumer = new QueueingBasicConsumer(_model);
}
public void Unbind(RabbitMqConnection connection)
{
lock (_lock)
{
_consumer = null;
_channel.Cleanup(200, "Unbind Consumer");
_channel = null;
}
}
public void ListenOnce()
{
if (this.channel == null)
{
this.channel = this.channelManager.CreateChannel();
this.channel.BasicQos(0, 1, false);
}
if (this.consumer == null)
{
this.consumer = new QueueingBasicConsumer(this.channel);
var messageTypes = this.messageHandlerTypesIndex.GetAllMessageTypes();
foreach (var messageType in messageTypes)
{
var queueName = this.queueNameConvention.GetQueueName(messageType);
this.channel.QueueDeclare(queueName, true, false, false, null);
this.channel.BasicConsume(queueName, false, this.consumer);
}
}
BasicDeliverEventArgs deliveryEvent;
if (!this.consumer.Queue.Dequeue(this.configuration.ListenTimeout, out deliveryEvent))
{
return;
}
object message = null;
try
{
var serialisedMessage = this.messageEncoder.Decode(deliveryEvent.Body);
var messageType = this.queueNameConvention.GetMessageType(deliveryEvent.RoutingKey);
message = this.messageSerialiser.Deserialise(serialisedMessage, messageType);
}
catch (Exception exception)
{
this.logger.LogError("An unexpected exception occured when decoding message:", exception);
}
if (message == null || !this.messageHandlerInvoker.Handle(message))
{
// TODO: Write to error queue
}
this.channel.BasicAck(deliveryEvent.DeliveryTag, false);
}
public void TestRecoverAfterCancel_()
{
UTF8Encoding enc = new UTF8Encoding();
Channel.BasicPublish("", Queue, null, enc.GetBytes("message"));
QueueingBasicConsumer Consumer = new QueueingBasicConsumer(Channel);
String CTag = Channel.BasicConsume(Queue, false, Consumer);
BasicDeliverEventArgs Event = (BasicDeliverEventArgs) Consumer.Queue.Dequeue();
Channel.BasicCancel(CTag);
Channel.BasicRecover(true);
QueueingBasicConsumer Consumer2 = new QueueingBasicConsumer(Channel);
Channel.BasicConsume(Queue, false, Consumer2);
BasicDeliverEventArgs Event2 = (BasicDeliverEventArgs)Consumer2.Queue.Dequeue();
Assert.AreEqual(Event.Body, Event2.Body);
Assert.IsFalse(Event.Redelivered);
Assert.IsTrue(Event2.Redelivered);
}
public static void ReturnMessageToSourceQueue(string errorQueueMachine, string errorQueueName, string userName, string password, string messageId)
{
using (IModel errorQueue = OpenQueue(errorQueueMachine, userName, password))
{
Dictionary<string, object> query = new Dictionary<string, object>
{
{"message_id", messageId}
};
QueueingBasicConsumer consumer = new QueueingBasicConsumer(errorQueue);
string basicConsume = errorQueue.BasicConsume(errorQueueName, false, Environment.UserName, false, true, query, consumer);
BasicDeliverEventArgs deliverArgs = consumer.Queue.Dequeue();
string failedQueueName;
string failedMachineName;
ReadFailedQueueHeader(out failedQueueName, deliverArgs, out failedMachineName);
using (IModel failedQueue = OpenQueue(failedMachineName, userName, password))
{
failedQueue.BasicPublish(string.Empty, failedQueueName, true, false, deliverArgs.BasicProperties, deliverArgs.Body);
}
errorQueue.BasicAck(deliverArgs.DeliveryTag, true);
}
}
public void TestConsumerRecoveryWithManyConsumers()
{
string q = Model.QueueDeclare(GenerateQueueName(), false, false, false, null).QueueName;
int n = 1024;
for (int i = 0; i < n; i++)
{
var cons = new QueueingBasicConsumer(Model);
Model.BasicConsume(q, true, cons);
}
var latch = new ManualResetEvent(false);
((AutorecoveringConnection)Conn).ConsumerTagChangeAfterRecovery += (prev, current) => latch.Set();
CloseAndWaitForRecovery();
Wait(latch);
Assert.IsTrue(Model.IsOpen);
AssertConsumerCount(q, n);
}
///<summary>Creates a new Subscription, with full control over
///both "noAck" mode and the name of the queue.</summary>
public Subscription(IModel model, string queueName, bool noAck)
{
Model = model;
QueueName = queueName;
NoAck = noAck;
m_consumer = new QueueingBasicConsumer(Model);
ConsumerTag = Model.BasicConsume(QueueName, NoAck, m_consumer);
LatestEvent = null;
}
///<summary>Closes this Subscription, cancelling the consumer
///record in the server.</summary>
public void Close()
{
try
{
bool shouldCancelConsumer = false;
if (m_consumer != null)
{
shouldCancelConsumer = true;
m_consumer = null;
}
if (shouldCancelConsumer)
{
if (Model.IsOpen)
{
Model.BasicCancel(ConsumerTag);
}
ConsumerTag = null;
}
}
catch (OperationInterruptedException)
{
// We don't mind, here.
}
}
static BasicDeliverEventArgs DequeueMessage(QueueingBasicConsumer consumer, int dequeueTimeout)
{
BasicDeliverEventArgs rawMessage;
var messageDequeued = consumer.Queue.Dequeue(dequeueTimeout, out rawMessage);
if (!messageDequeued)
{
return null;
}
return rawMessage;
}
void ConsumeMessages(object state)
{
if (!tracksRunningThreads.Wait(TimeSpan.FromSeconds(1)))
{
return;
}
try
{
var parameters = (ConsumeParams)state;
var connection = connectionManager.GetConsumeConnection();
using (var channel = connection.CreateModel())
{
channel.BasicQos(0, actualPrefetchCount, false);
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(parameters.Queue, noAck,receiveOptions.ConsumerTag, consumer);
circuitBreaker.Success();
while (!parameters.CancellationToken.IsCancellationRequested)
{
Exception exception = null;
var message = DequeueMessage(consumer, receiveOptions.DequeueTimeout);
if (message == null)
{
continue;
}
TransportMessage transportMessage = null;
try
{
var messageProcessedOk = false;
try
{
transportMessage = receiveOptions.Converter.ToTransportMessage(message);
}
catch (Exception ex)
{
Logger.Error("Poison message detected, deliveryTag: " + message.DeliveryTag, ex);
//just ack the poison message to avoid getting stuck
messageProcessedOk = true;
}
if (transportMessage != null)
{
messageProcessedOk = tryProcessMessage(transportMessage);
}
if (!noAck)
{
if (messageProcessedOk)
{
channel.BasicAck(message.DeliveryTag, false);
}
else
{
channel.BasicReject(message.DeliveryTag, true);
}
}
}
catch (Exception ex)
{
exception = ex;
if (!noAck)
{
channel.BasicReject(message.DeliveryTag, true);
}
}
finally
{
endProcessMessage(transportMessage, exception);
}
}
}
}
catch (EndOfStreamException)
{
// If no items are present and the queue is in a closed
// state, or if at any time while waiting the queue
// transitions to a closed state (by a call to Close()), this
// method will throw EndOfStreamException.
// We need to put a delay here otherwise we end-up doing a tight loop that causes
// CPU spikes
Thread.Sleep(1000);
throw;
}
catch (IOException)
{
//Unable to write data to the transport connection: An existing connection was forcibly closed by the remote host.
//This exception is expected because we are shutting down!
if (!isStopping)
{
throw;
}
}
finally
{
tracksRunningThreads.Release();
}
}
private void HandleConsumerCancelled(object sender, ConsumerEventArgs e)
{
lock (m_eventLock)
{
m_consumer = null;
MutateLatestEvent(null);
}
}
///<summary>Creates a new Subscription, with full control over
///both "noAck" mode, the name of the queue, and the consumer tag.</summary>
public Subscription(IModel model, string queueName, bool noAck, string consumerTag)
{
Model = model;
QueueName = queueName;
NoAck = noAck;
m_consumer = new QueueingBasicConsumer(Model);
m_consumer.ConsumerCancelled += HandleConsumerCancelled;
ConsumerTag = Model.BasicConsume(QueueName, NoAck, consumerTag, m_consumer);
LatestEvent = null;
}
public override void Open(TimeSpan timeout)
{
if (State != CommunicationState.Created && State != CommunicationState.Closed)
throw new InvalidOperationException(string.Format("Cannot open the channel from the {0} state.",
base.State));
OnOpening();
#if VERBOSE
DebugHelper.Start();
#endif
RabbitMQUri uri = new RabbitMQUri(LocalAddress.Uri);
m_model = ConnectionManager.Instance.OpenModel(uri, m_bindingElement.BrokerProtocol, timeout);
string queue = uri.Endpoint;
IDictionary args = new Dictionary<String, Object>();
int ttl;
if (!string.IsNullOrEmpty(m_bindingElement.TTL) && int.TryParse(m_bindingElement.TTL, out ttl))
{
args.Add("x-message-ttl", ttl);
}
//Create a queue for messages destined to this service, bind it to the service URI routing key
queue = m_model.QueueDeclare(queue, true, false, m_autoDelete, args);
if (!string.IsNullOrEmpty(m_bindToExchange))
{
m_model.QueueBind(queue, m_bindToExchange, uri.RoutingKey);
}
QueueingBasicConsumerBase queueingBasicConsumer;
// Create queue
if (m_bindingElement.TransactedReceiveEnabled)
{
queueingBasicConsumer = new TransactionalQueueConsumer(m_model);
}
else
{
queueingBasicConsumer = new QueueingBasicConsumer(m_model);
}
m_messageQueue = queueingBasicConsumer;
//Listen to the queue
bool noAck = !m_bindingElement.TransactedReceiveEnabled;
m_model.BasicConsume(queue, noAck, queueingBasicConsumer);
#if VERBOSE
DebugHelper.Stop(" ## In.Channel.Open {{\n\tAddress={1}, \n\tTime={0}ms}}.", LocalAddress.Uri.PathAndQuery);
#endif
OnOpened();
}
void Action(object obj)
{
try
{
var cancellationToken = (CancellationToken) obj;
var connection = ConnectionManager.GetConsumeConnection();
using (var channel = connection.CreateModel())
{
channel.BasicQos(0, PrefetchCount, false);
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(workQueue, autoAck, consumer);
circuitBreaker.Success();
while (!cancellationToken.IsCancellationRequested)
{
Exception exception = null;
var message = DequeueMessage(consumer);
if (message == null)
{
continue;
}
TransportMessage transportMessage = null;
try
{
var messageProcessedOk = false;
try
{
transportMessage = RabbitMqTransportMessageExtensions.ToTransportMessage(message);
}
catch (Exception ex)
{
Logger.Error("Poison message detected, deliveryTag: " + message.DeliveryTag, ex);
//just ack the poison message to avoid getting stuck
messageProcessedOk = true;
}
if (transportMessage != null)
{
messageProcessedOk = tryProcessMessage(transportMessage);
}
if (!autoAck)
{
if (messageProcessedOk)
{
channel.BasicAck(message.DeliveryTag, false);
}
else
{
channel.BasicReject(message.DeliveryTag, true);
}
}
}
catch (Exception ex)
{
exception = ex;
if (!autoAck)
{
channel.BasicReject(message.DeliveryTag, true);
}
}
finally
{
endProcessMessage(transportMessage, exception);
}
}
}
}
finally
{
countdownEvent.Signal();
}
}
public void TestThatCancelledConsumerDoesNotReappearOnRecovery()
{
string q = Model.QueueDeclare(GenerateQueueName(), false, false, false, null).QueueName;
int n = 1024;
for (int i = 0; i < n; i++)
{
var cons = new QueueingBasicConsumer(Model);
string tag = Model.BasicConsume(q, true, cons);
Model.BasicCancel(tag);
}
CloseAndWaitForRecovery();
Assert.IsTrue(Model.IsOpen);
AssertConsumerCount(q, 0);
}
public void TestDeclarationOfManyAutoDeleteQueuesWithTransientConsumer()
{
AssertRecordedQueues((AutorecoveringConnection)Conn, 0);
for (int i = 0; i < 1000; i++)
{
string q = Guid.NewGuid().ToString();
Model.QueueDeclare(q, false, false, true, null);
var dummy = new QueueingBasicConsumer(Model);
string tag = Model.BasicConsume(q, true, dummy);
Model.BasicCancel(tag);
}
AssertRecordedQueues((AutorecoveringConnection)Conn, 0);
}
static BasicDeliverEventArgs DequeueMessage(QueueingBasicConsumer consumer)
{
BasicDeliverEventArgs rawMessage;
if (!consumer.Queue.Dequeue(1000, out rawMessage))
{
return null;
}
return rawMessage;
}
/// <summary>
/// The build queueing consumer.
/// </summary>
/// <returns>
/// The <see cref="QueueingBasicConsumer"/>.
/// </returns>
public QueueingBasicConsumer BuildQueueingConsumer()
{
var consumer = new QueueingBasicConsumer(this.Native);
/* if total reconnection is more desirable
consumer.ConsumerCancelled += (sender, args) =>
Failed(this, new ErrorEventArgs(new RabbitException("Consumer [{0}] was cancelled.".FormatEx(args.ConsumerTag))));
*/
return consumer;
}
BasicDeliverEventArgs Consume(string id)
{
using (var channel = connectionManager.GetConsumeConnection().CreateModel())
{
var consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume("testEndPoint", false, consumer);
BasicDeliverEventArgs message;
if (!consumer.Queue.Dequeue(1000, out message))
throw new InvalidOperationException("No message found in queue");
var e = message;
if (e.BasicProperties.MessageId != id)
throw new InvalidOperationException("Unexpected message found in queue");
channel.BasicAck(e.DeliveryTag,false);
return e;
}
}
